unfortunately, the more you look into ergonomics research, the more you'l find that every person's situation of "comfort" is different. you can start with some

unfortunately, the more you look into ergonomics research, the more you'l find that every person's situation of "comfort" is different. you can start with some basic guidelines (see my other reply to your parent post) and then work from there. it basically becomes a dialogue with the user and trial-and-error of many different approaches/setups. another factor is whether someone is coding for 18 hours straight, or 2-3 hours here and there throughout the day.